.banx-c{
    margin: 0.9rem auto 0;
    width: 100%;
    height: 10.06rem;
    background: #f7f7fa;
    border-bottom: 1px solid #DDDDDD;
}
.sc{
    position: relative;
    top: 3rem;
    margin: 0 auto;
    width: 3.28rem;
    height: 3.28rem;
}
form{
    position: relative;
    margin: 0.7rem auto 0;
    width: 6.85rem;
    height: 0.8rem;
    border: none;
}
form p{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 0.8rem;
    line-height: 0.8rem;
    background: #67dca9;
    border-radius: 0.08rem;
    color: white;
    font-size: 0.36rem;
    text-align: center;
    z-index: 2;
}
form input{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 0.8rem;
    z-index: 1;
}
.sc .code_img {
    width: 100%;
    height:100%;
}
.code_file {
    display: none;
}